Patent · US Active

Environmentally friendly water/oil emulsions

US8039518B2 · kind B2 · utility

1Cited by

7References

16Claims

0Family size

Assignee

AKZO NOBEL N.V. · NL

Inventors

Per Hellberg · Svenshögen, SE
Ingemar Uneback · Svenshögen, SE

Key dates

Filing date	Apr 3, 2007
Grant date	Oct 18, 2011
Priority date	—
Expiry date	Mar 31, 2028

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC02F1/547
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The invention relates to particular orthoester based polymers as well as the use of specific orthoester beased polymers as a demulsifier for water/oil emulsions.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.